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1 Re-fashioning food systems with sustainable diet guidelines: towards a SDG 2 strategy By Tim Lang, Professor of Food Policy, Centre for Food Policy, City, University of London, UK for Friends of the Earth March 2017

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Re-fashioning food systems with sustainable diet guidelines: towards a SDG2 strategy

By Tim Lang, Professor of Food Policy, Centre for Food Policy, City, University of London, UK

for Friends of the Earth

March 2017

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Acknowledgements

I have discussed the ideas reflected in this paper with many people over recent years.

Especial thanks to Duncan McLaren for editing and additional text, and to Vicki Hird,

Mike Childs and Clare Oxborrow from Friends of the Earth for comments, suggestions

and encouragement to write this in the first place back in 2014. Also to Dr Pamela

Mason with whom I have been writing a forthcoming book on Sustainable Diets which

spells out some of these ideas in more detail. I am grateful, too, to many colleagues in

the UK and around the world and at the Centre for Food Policy for years of discussions

about what policy-makers could and should do to improve public health and

environmental stewardship through dietary change. The UK is blessed with a particularly

vibrant culture of people working on the issues discussed here through organisations

such as the Food Climate Research Network, the Eating Better coalition and the Food

Research Collaboration. These are testament to the wealth of academics, civil society

organisations and citizens that we have in the UK who see the need to promote the

public good in food systems and who see the importance of facing the unsustainability of

current food consumption patterns. This is dedicated to them and their work. They and

we all have much more to do, not least in these politically interesting and tricky times

when we are all engaged in defending while redesigning what is meant by progress.

Tim Lang, London

March 2017

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Contents Summary ....................................................................................................................... 4

Introduction .................................................................................................................... 6

Section 1 - Sustainable diets mean better and smarter consumption ......................... 10

Why it is needed ....................................................................................................... 11

Old roots, new context ............................................................................................. 12

Unsustainable consumption from unsustainable food systems: the problem of

scale .......................................................................................................................... 13

Policy responses to demands for sustainable diets .................................................. 17

Section 2 - Democratic experimentation for sustainable diets .................................... 23

Addressing and harnessing the cultural dimension .................................................. 29

The actors .................................................................................................................. 34

Section 3 - Next steps in delivering sustainable diets .................................................. 37

Beyond Brundtland: smart and sustainable ............................................................. 37

The new leaders ........................................................................................................ 38

Bringing the public along .......................................................................................... 40

Section 4 - The way forward: a SDG2 framework ......................................................... 42

Conclusions ................................................................................................................... 47

Bibliography................................................................................................................. 48

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Summary

The paper outlines the current state of policy thinking on sustainable diets.1 It reports on

some national, international and local attempts to chart new policy directions to tackle

growing evidence that food consumption has immense impact on environment, health,

society and economy. A model of food consumption and production carefully put in place

in the 20th century now needs reform. The paper argues that some criteria for

sustainable diets are already clear. They need to be low carbon, low in embedded water,

biodiversity protecting, nutritious, safe, available and affordable to all; they must also be

high quality and culturally appropriate and derived from labour processes which are just

and fairly rewarded without dumping external costs elsewhere in the economy.

These criteria are both reasonable and evidence-based. Why then does the pursuit of

food systems which deliver sustainable diets meet such strong resistance? The US meat

and dairy industry flexed its muscles, for example, throughout 2015 and attacked the

proposal from scientific advisors to inject an environmental dimension into the latest

mandatory revision of the official Dietary Guidelines for Americans. Such opposition to

formalising sustainable diets has been documented elsewhere. Despite this, the paper

argues that the UK, like all countries, must clarify what it wants from its food system, and

that this cannot duck – indeed has to start from - consumption. A good food system must

centre on sustainable diets. Just as the US Government closed down its own scientific

communities’ call for more coherent, integrated dietary advice, so other forums emerged.

In 2016, for instance, The Lancet and the Nordic EAT Forum collaborated to launch the

EAT-Lancet Commission on Healthy Diets from Sustainable Food Systems. This reports

in draft later in 2017 and finally in early 2018.2

Politicians and food industries alike seem reluctant to engage with consumers about the

need to change. Partly this is because they are aware of how radical a departure this is.

A tweak or nudge here or there will not alter food’s catastrophic impact on health or

climate change. And partly this is because politics is currently held back by (naïve

neoliberal) consumerist thinking that whatever consumers want must be right.

Meanwhile companies are undertaking change by stealth by ‘choice-editing’ beneath the

radar, and then note the fury when consumers detect less content or bumps in favourite

chocolates. Reformulation has its limits.

How, the paper asks, can policy be unlocked from this lock-in? A heartening process of

democratic experimentation points the way. Countries, cities, localities, sectors are

developing new policies, practical initiatives and overt rather than covert choice-editing

to reduce the impact of unsustainable diets. Democratic engagement is the key. These

attempts need clear new population guidelines to help frame the process. A good diet is

not simply a cheap one, nor even a healthy one. Sustainable diets have multiple rather

than single criteria. The paper calls this a SDG2 strategy: Sustainable Dietary

1 This paper focuses on the UK, but within a global food system, and its findings and proposals are more widely applicable.

2 Rockström, Stordalen & Horton, 2016

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Guidelines to deliver on the UN’s 2015 Sustainable Development Goals. These are

needed at national and local levels, not just internationally. A SDG2 strategy would both operationalize current industry thinking such as circular economies and engage

with food cultural change. It would genuinely put consumer interests first.

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Introduction

There is overwhelming evidence that we consumers in rich societies must change what

and how we eat. Our diets distort public health.3 They burden the environment.4 They

reflect and entrench inter and intra-societal inequalities.5 They add huge external costs

to the economy.6 Unsustainable diets load unnecessary and costly burdens onto us all.

They also rob the future. Continued damage from over-consumption today looks set to

reduce choices for today’s children in their lifespans, let alone future generations. Study

after study suggests rich countries such as the UK are over-consuming not just in health

terms but in land use, ecosystems services and with regard to climate change.7 Food is

a major threat to all of these. If countries like the UK continue to eat with such disregard

to impact, our consumption patterns will add to dislocation and possibly scarcity. We

need new signposts and new aspirations to reshape our food systems and our food

choices.8

In a food economy which celebrates the unprecedented choice offered by modern

societies, many consumers and businesses find the idea of change for sustainability's

sake very threatening. For good reason: it is threatening to the status quo, if by that we

mean the broadly neo-liberal view that markets are the prime mechanism for resolving

society’s problems. This neo-liberal perspective is a halter on policy makers – by which

we mean not just governments but civil society, industry, science, anyone who shapes

the conditions under which the food system currently operates. Decision-makers are

reluctant to see change through any lens other than consumer choice. This is folly, not

least since it makes more likely that structural change will come from crisis later. Market

dynamics have their place but they are not the only form of governance available; nor do

they need to be left rudderless. Markets can be reshaped, given moral and

environmental direction, in which desirable changes can be charted, negotiated and

pursued democratically.

This paper reviews what is meant by sustainable diets, why it is becoming a widely cited

policy term, and why it is both useful and challenging. Part of its value is that it focuses

more policy attention onto consumption. Over time, as evidence of food system

unsustainability has grown, policy makers and many in the food industries and sciences

have remained focused on considering changes in how food is produced or processed,

but their assumption remains that a good food system is one which continues to pour out

food as cheaply as possible. This ‘productionist’ policy focus has been the default policy

position in the UK and rich economies for decades. Although seductively simple – the

answer to coming shortage is to produce more - it is dangerously simplistic, indeed

3 Newton, Briggs et al, 2015 4 UNEP, Nelleman, et al., 2009 5 Fabian Commission, 2015; Lambie-Mumford et al, 2014 6 TEEB, 2015 7 Springmann et al, 2016 8 Mason & Lang, 2017

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wrong and wholly inappropriate for the 21st century.9 In the 20th century, the successes

of productionism largely came from increasing chemical use (particularly artificial

fertilisers) and from extending humanity’s share of global bio-productivity.10 The result is

that agriculture and land use has been a major driver of biodiversity loss and essential

ecosystem depletion. As a result, there is now competition between our demands for

food, timber and other essential products and protecting ecosystems on which the planet

depends. Transforming the way we use productive land, as suggested by Mark Huxham

and colleagues in a previous paper for the Big Ideas project,11 would help ameliorate,

but not eliminate these pressures, especially in the face of growing global population.

But with healthy diets for all – particularly with lower overall consumption of meat and

dairy products - we could free up productive land for other needs, and for other species.

At present, the UK’s food system is quietly using ever more of other people’s land. A

recent study showed how UK food is increasingly reliant on external land sources.12

Another estimated that 85% of the UK’s total land footprint is associated with meat and

dairy production.13

A more sophisticated approach is needed to weld human health and ecosystem

sustainability into one framework. Despite hard work at the UN level on the 2015

Sustainable Development Goals,14 such a framework has yet to emerge at the UK level.

England is the problem, with a policy vacuum at the centre, while Wales has its Well-

being of Future Generations Act 2015,15 and Scotland is debating the case for a Good

Food Nation Bill.16 Unless the UK is to break up radically in the Brexit process, these

initiatives need a common framework, championed at Westminster. Our food system

requires better integration of health and environmental concerns. This is where the

pursuit of sustainable diets could be important and must win support from different

powerful stakeholders, not just from campaigners and activists. It is an issue genuinely

in the public interest. Such ‘symbiotic’ or ‘subversive’ policy interventions could deliver

both material benefits and help shift values in ways that can be transformative.17

This ought to be on the policy makers’ agenda. But what should they do? Hang out a

vague ‘wish list’? Wag fingers at rich over-consuming societies? Put ‘don’t eat too much’

on labels? Or be subtle and leave it all to market relations, instantaneous choices at the

check-out, micro signals between consumers and retailers which miraculously transform

(or fail to transform) the food system? There is currently not enough thought in how to

tackle unsustainable consumption except rather trivially. ‘Nudge’ thinking is probably the

9 Lang & Heasman, 2015 10 Global land use, and chemical cycling are two of the dimensions in which scientists suggest humanity has

already exceeded planetary boundaries (Steffen et al, 2015) 11 Huxham et al, 2014 12 de Ruiter et al, 2016 13 de Ruiter et al, 2017 14 United Nations, 2015 15 Welsh Government, 2015 16 Nourish Scotland, 2016 17 Wright, 2010; McLaren, 2011

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only serious offer.18 This draws on behavioural economics and implies that soft control

will suffice. It has been criticised as appealing to ‘below the radar’ thinking which is

inappropriate if extensive or systemic change is needed – which is the case for dietary

change.19

I am not alone in being dubious about the scope for market mechanisms alone to shift

the food system – production, infrastructure, processing, logistics, retail, food service

and consumption - as significantly as the data suggest now needs to happen. Yet, some

argue that a tweak here or there is all that is necessary. Eat healthily and the rich world’s

environmental food footprint will fall. It does,20 but not enough, as a recent modelling

study shows.21 Making the UK’s diet meet WHO nutrition guidelines would shave 17%

off food related greenhouse gas emissions; useful but far short of the UK’s binding 2008

Climate Change Act commitment to cut overall emissions by 80% from 1990 levels by

2050. Cutting pretty drastically back on animal products within those goals takes the

reduction to 40%; useful but still not nearly enough. This is clearly tricky policy territory.

There is limited scope for ‘choice-editing’ diet without consumers noticing it. Thus such

policies must have sufficient citizens’ support. As a food industry insider said to me a few

years ago, recognising this problem, ‘we can shave carbon without consumers noticing

so far, but ultimately consumers will have to change.’

Of all the policy packages offered to address the twin problems of continued scarcity in

the poor world, and overconsumption in the rich, a ‘contract and converge’ policy

approach perhaps offers most potential. In this model proposed in a thoughtful and

under-discussed 2012 Royal Society report chaired by Nobel Prize winner Sir John

Sulston,22 rich populations eat less but better, while poorer ones eat both more and

better. This recognised that the era of ‘ever more consumer choice’ and ‘eat what we

like’ is coming to an end, and proposed replacing it with policy frameworks that guide

producers and consumers alike towards sustainable diets.

This sounds simple, but is the notion of let alone delivery of sustainable diets too hot to

handle? Some think so. I want to argue the opposite. It has become more useful and

more discussed precisely because it raises a central question: what is a good diet for the

21st century? It counterbalances the current dominant policy emphasis on raising food

output as the best route to a sustainable food future. Moreover, a process of democratic

experimentation is underway, suggesting even if some people want to put the lid on

discussions, it is too late. As I show below (and at more length in a book co-written with

Pamela Mason),23 some official guidelines have been proposed in some countries, only

to be ignored or beaten back in the policy process. This happened here in the UK with

18 Thaler & Sunstein, 2008 19 Rayner & Lang, 2009; Mols et al, 2015 20 Sustainable Development Commission, 2009 21 Green, Milner, Dangour, 2015 22 Royal Society, 2012 23 Mason & Lang, 2017

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the advice spawned by the Defra Green Food Project.24 Principles for dietary change

were spelled out by an expert committee only to be shelved. But the genie is out of the

bottle; the evidence and pressure continue to mount. Beyond government, some civil

society and academic formulations of what a sustainable diet is or should be have been

proposed in the UK and elsewhere.25

This paper argues that these processes of debate and experimentation are actually quite

normal. Rarely does progress happen quickly or easily. But a new food policy

framework is urgently needed, one which puts consumer change to the fore. This

requires multi-sector, multi-level action. There is no ‘silver bullet’ or quick fix, but it does

require governments to face up to their responsibilities and set new sustainable dietary

guidelines. These would provide clear advice for consumers, and could catalyse action

by producers and retailers. The policy question we need to pose is: what would the food

system as a whole look like if it serviced sustainable diets? This cannot be resolved by

government alone, any more than we can expect market relations to do so. Nor can

individual consumers be held responsible even though each of our tiny choices add to

the burden. Many academics, such as myself, are now convinced that a long-term

process of systems change needs to begin.

24 Defra, 2012; Defra, 2013; Garnett & Strong, 2015 25 Garnett, 2014; Bartlett & Garnett, 2016

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Section 1 - Sustainable diets mean better and smarter consumption

The notion of sustainable diet proposes that a good diet in the 21st century is one which

is health-enhancing, has a low environmental impact, is culturally appropriate and

economically viable. Applying a variety of indicators – land use, biodiversity loss, water

use, climate change gas emissions, health, economic costs, and more - the trends in

world diet are not in a sustainable direction. Diets in rich countries like the UK are

amongst the least sustainable.

The unsustainability of our diets will not be simply solved by cutting food waste, or eating

less meat and dairy – although both are necessary as part of the transition. The

sustainability or unsustainability of a diet is a product of everything we all eat. Our health

depends on getting an adequate supply of the right mix of nutrients, vitamins and

minerals from diet as a whole. The stress our diets put on our environment depends on

the implications of everyone’s consumption added together. So sustainable diets must

be defined on a whole population and whole diet level. Yet they will also need to

encompass cultural diversity, so that ethical, religious, ethnic and national differences in

diet do not lead to rejection of sustainability.

For the last half century, a gradual process of marketization of the food system has been

underway, marking the triumph of neo-liberal thinking, but brilliantly tracked and

analysed by a strand of critical social science observing the emergence of this new food

system.26 In this unfolding neo-liberal world, a good diet, health and progress was to be

provided by investments in technology and science, and the free flow of foods and

goods in markets, generating increased surplus, reducing waste, enhancing

convenience, expanding choice and lowering prices.27 This has been a remarkably

influential policy package in the 20th century. Its negative impacts, however, have

created escalating pressures to reconfigure what is meant by a good diet for the 21st

century.28

The English word ‘sustainable’ is a fluid one, yet it captures the new complexity and

multiple criteria for what must be delivered by the food system everywhere. Today, this

productionist paradigm is in distress; more sophisticated and multi-faceted policy goals

are needed. Better and clearer public guidelines are required. Dietary advice can no

longer be framed around delivery of nutrient mix and price alone. Methods of production

and distribution shape impact; so does what is eaten. Rising consumption of unhealthy

meat and dairy and salty, sugary, fatty processed foods typify the challenge of food in an

26 McMichael, 1994; Goodman & Watts, 1997 27 Lang & Heasman, 2015 28 there is a mountainous literature, e.g. Green, Milner, Dangour, 2015; Garnett, 2013; Garnett, 2014; Lang

& Barling, 2014; Carlsson-Kanyama & Gonzalez, 2009; Burlingame & Dernini, 2012; Fanzo, Cogill & Mattei, 2012; Macdiarmid, Kyle, Horgan et al 2012; van Dooren, Marinussen, Blonk, Aiking & Vellinga, 2014; Jones Hoey, Blesh et al, 2016; Public Health England & Carbon Trust, 2016

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urbanising world of rising incomes. This is the public policy challenge to which the notion

of sustainable diet can make a powerful contribution.

Why it is needed

From the 1970s to today, evidence has mounted about modern food systems’ impact on

the environment, public health and social justice. This evidence of the downside of the

much trumpeted success of raised food production did not just suddenly emerge.29 It

was the result of decades of change throughout the entire food system, from farming

and its inputs to consumer service industries; and these spawned decades of studies

which began the document the impact. We should not forget, however, that

industrialised agriculture has been very effective in facilitating the production of vast

quantities of highly processed foods and the emergence of mass scale food retailers and

food service companies. But nor should we be too dazzled by this. It only feeds an

estimated 30% of the world’s population; the majority of production is in smaller scale

peasant or subsistence agriculture feeding much simpler and (it has to be said)

restricted diets.30 Indeed, an important argument has been raised by nutritional

epidemiologists that the move from restricted and highly localised diets to ones with a

wider range of foods was broadly beneficial, but did not stop at that point. Cheaper

commodities enabled a transition to diets characterised by ‘ultra-processed’ foods with

cheap nutrient poor profiles.31

Fast foods are one outcome of industrialised agriculture, a model of eating associated

with ‘Western’ or affluent lifestyles, but also symbolic of the dietary shift known as the

‘nutrition transition’.32 This transition happens when populations change from simpler

diets, initially to a better range (because they can afford it), but then to mass

consumption of foods high in fats, sugars and salt (because they are ubiquitous and

cheap). This new abundance of pre-processed foods has reshaped culinary traditions in

older rich societies and is in the process of doing the same in newly affluent middle-

income societies today. The result is already deeply troubling: a world with vastly more

people overweight and obese (1.5bn) than hungry (0.9bn), and a mismatch of people,

physiology, health, and food economy which has created new complex forms of

inequality, a mix of over-, mal- and under-consumption. This complex picture and set of

criteria is why the term ‘sustainable diets’ has emerged into the policy lexicon.

Sustainable diets must tick multiple boxes, from health to climate change, from land use

to nutrient flows, from water availability to affordability, from food security to people’s

security, and so on.33 Sustainable diets must be multi-criteria: good quality, healthy,

socially appropriate, economically viable and just, environmentally benign, and the

29 Lang & Heasman, 2015 30 ETC, 2009 31 Monteiro 2009; Monteiro et al, 2011 32 Popkin, 2009; Popkin, 2002 33 Millward & Garnett, 2009; McMichael, 2001; Smith, 2012

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outcomes of reasoned decision-making. This package is surely not beyond the capacity

of humans to achieve.

Old roots, new context

The term sustainable diet has old roots. It dates back in some respects to an element of

the questions posed by Malthus in his Treatise on Populations of 1798 about carrying

capacity, right through to Frances Moore Lappé’s 1971 world best-selling Diet for a

Small Planet.34 But it emerged in the modern meaning in the 1980s,35 and entered

serious policy discussion in the 2000s.36 In 2010, the Food and Agriculture Organisation

(FAO) and Biodiversity International (part of the UN affiliated CGIAR agricultural

research network) saw the need to clarify the agenda. They hosted a large scientific

conference which formulated this much cited – if dry - definition:

“Sustainable Diets are those diets with low environmental impacts which

contribute to food and nutrition security and to healthy life for present and future

generations. Sustainable diets are protective and respectful of biodiversity and

ecosystems, culturally acceptable, accessible, economically fair and affordable;

nutritionally adequate, safe and healthy; while optimizing natural and human

resources.”37

This definition (the production process of which I co-chaired) implies a better alignment

of consumption with ecosystems.38 Its creation came after a few years of financial

turmoil caused by the 2007-08 commodity price spike when developed economies were

destabilised by rocketing oil and food prices.39 Rich world policy makers began to realise

that their food systems were fragile.40 Tensions began to emerge about the direction

food systems might go: more intensive or less? More food or better food? Priorities to

national food security or globally? The G8 warned of systemic tensions.41 For a few

years, there was genuine reflection, as many countries conducted reviews.42 But by

2010-11, they were once again reluctant to intervene too strongly in consumption.

Indeed, a core message from conventional economics for tackling the Great Recession

(as the post 2007-08 period became known) was to urge consumers to re-kickstart the

business-as-usual economy, nurturing consumer confidence while bailing out the

financial system and taking the opportunity to pare back the state. The short-lived

interest in rich country consumption faded. The policy focus reverted to production, with

34 Malthus, 1798; Lappé, 1971

35 Gussow & Clancy, 1986; Herrin & Gussow, 1989; Gussow, 1995; Lang, Barling & Caraher, 2009 36 Garnett, 2014; van Dooren, Marinussen, Blonk, Aiking & Vellinga, 2014; Macdiarmid, 2012; Lang &

Barling, 2012; Carlsson-Kanyama, 1998; Carlsson-Kanyama et al, 2012 37 Burlingame & Dernini, 2012 38 FAO, 2010 39 OECD, 2009. 40 Lang, 2011 41 G8, 2008; G8, 2009 42 eg PMSEIC, 2010 for Australia; Paillard, Treyer & Dorin, 2011 for France;

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neo-Malthusian prognoses calling for ‘sustainable intensification’ and warning of

production deficit ahead unless there was a vast investment in new Research and

Development and agricultural efficiency. That agriculture and food industries might be

better tailored to healthy and low impact diets (particularly lower in resource-intensive

meat and dairy) was downplayed.43

Something important was left behind in policy as the tide of interest in sustainable

consumption retreated. Farming had crept back up the agenda in the guise of food

security. This came despite a gradual erosion of its political leverage over the late 20th

century. Food power had left the land. Massive food manufacturers, retailers and food

service sectors vied for influence, market share and profits. Yet here were urban and

rich world power élites once again recognising that food came from the land and the

seas – primary production.

These dynamics are particularly visible in the UK, a country which had been the first to

industrialise in the late 18th century, and the first to experiment with sourcing its food not

from its own lands but from an Empire, in order to deliver cheap food for the urban mass.

This strategy, as is well known, came unstuck in the 20th century through world wars, but

the desire for cheapness and a disinterest in the land nevertheless returned in a

powerful strand of policy criticism of the European Common Agricultural Policy from the

1980s.44

In 2015, UK agriculture contributed only £8.5bn of the gross added value of the £105 bn

gross added value across the entire food supply chain, about 8%. Consumers spent

£201bn on food and drink that year. Meanwhile manufacturers contributed £26.9bn

GVA, fishing and aquaculture a tiny £0.8bn, wholesalers £11.9bn, retailers £30.2bn and

caterers £29.1bn.45 The sectors closest to consumers make the most. Even in

employment terms, farmers and growers are proportionately small. Farming and primary

production employs 476,000, fishing a mere 10,000, manufacturing 422,000,

wholesalers 225,000, retailing 1,157,000 and catering the most with 1,658,000

employed.

Unsustainable consumption from unsustainable food systems: the problem of scale

We must remember that the current system has delivered on some challenges laid down

in the past. It massively increased production post World War 2. At present, there is no

world shortage of food, but there is a problem of mal-distribution. There might be a major

shortage, however, in a few decades hence if current consumption patterns and climate

trends continue.46 Large-scale scientific reviews have repeatedly concluded that trends

in the food system are unsustainable, whether we look at food through the lens of health

43 Foresight, 2011 44 such as the work of Sir Richard Body MP, e.g. Body 1982 45 Defra, 2016 46 Foresight, 2011

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or the environment or socio-economic development or human rights.47 Hence the

importance of addressing diet. Consumption is the ‘pull’ in the food system.

Over the last decade what debate there has been about the sustainability of diets has

been led from mainly by health and environmental perspectives, but with both operating

in silos. Food’s health and environmental impacts are connected. The environmentally

destructive pressures for overproduction in industrial agriculture are what give the world

a surfeit of inappropriately processed, unhealthy diets. The health toll is clear. According

to the WHO, worldwide obesity has rocketed since 1980.48 By 2008, 35% of adults aged

20 and over (or more than 1.4 billion people) were overweight, and 11% were obese.

Over 200 million men and nearly 300 million women were obese. 65% of the world's

population lives in countries where overweight and obesity kill more people than

underweight. More than 40 million children under the age of five were overweight in

2011.

Health problems from over-, under- and mal-consumption and non-communicable

diseases (i.e. those significantly affected by diet), now co-exist even in low income

countries.49 Rates of death due to non-communicable diseases in sub-Saharan Africa,

for instance, are predicted to rise 17% in the next decade.50 The most recent global

burden of disease review (an approach pioneered by WHO with the World Bank)

summarised the effect of mal- and over-consumption as resulting in over 18 million

premature deaths annually. These are caused by diverse food-related factors: high

blood pressure (9·4 million), high body-mass index (3·4 million), high fasting blood

glucose (3·4 million), and high total cholesterol (2·0 million).51 In the WHO’s global

assessment of health risks in all income levels of society, diet featured centrally in 10 out

of the top 19 factors.52 Much of this coincides with the spread of what the Brazilian

epidemiologist Carlos Monteiro and colleagues have termed ‘ultra-processed’ foods and

drinks – fatty, salty, sugary.53

The financial cost of this ill-health is immense. A review by Harvard University and the

World Economic Forum estimated that over the two decades to 2030 non-communicable

diseases would result in a cumulative economic loss of output of US $30 trillion, with

costs growing faster in low income countries of the global South.54 As the spiralling costs

of health care challenge policy makers and public budgets across the world, sustainable

47 Foresight, 2011; PMSEIC, 2010; Paillard, Treyer & Dorin, 2012; Beddington, Asaduzzaman, Clark et al. 2012; Conway, 2012; De Schutter, 2015

48 WHO, 2013 49 WHO,2011 50 Scott, Ejikeme, Noone, et al, 2013 51 Moodie, Stuckler, Monteiro et al, 2013 52 WHO, 2009 53 Monteiro, 2009; Monteiro, Levy, Claro et al, 2011 54 The cumulative figure of $30 trillion applies to the aggregate losses due to cancer, cardiovascular disease,

diabetes and respiratory diseases. It is equivalent to 48% of global GDP in 2010. see: Bloom, Caffiero, Jané-Llopis, et al, 2011.

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diets should become an attractive policy fix for the health system, yet so far, resistance

to ‘interfering in consumption choices’ appears immovable. This political block must be

faced.

Alongside this human and economic toll, the environmental impact of agriculture is also

immense. Globally, agriculture currently contributes around 14% of direct greenhouse

gas emissions with methane from livestock accounting for almost 40% of that total.55 The

food system as a whole – including land-use impacts, manufacture of fertilisers, food

processing and distribution etc - is estimated to account for a third56 to a half57 of all

emissions. The drive to produce grains to feed animals as well as humans plays a

significant role in the immense impact of modern food systems on biodiversity loss,

water use, and land use.58 Including wider impacts, meat and dairy production accounts

for around 14.5% of global emissions,59 or one-third to one half of all food system

emissions. The UN Millennium Ecosystem Assessment calculated that, of 24 of the

world's ecosystem services, five are already being degraded or used unsustainably, and

that food is a major source of this degradation.

Climate change has understandably dominated what discourse there is on food

unsustainability but it is not the only environmental threat. Global agriculture consumes

70% of all freshwater extracted for human use;60 and intensive livestock production is

probably the largest sector-specific source of water pollution.61 Modern diets consume

significant ‘hidden’ water; for instance, one Netherlands study found 200 litres of water

were used to produce a 200 millilitre glass of milk, and 2400 litres of water to produce a

150 gram hamburger.62 In the 20th century as a whole, an estimated 75% of the genetic

diversity of domestic agricultural crops inherited from the 19th century was lost.6364 While

nutrition guidelines worldwide encourage the consumption of fish and fish oil, a decade

ago FAO had calculated that over half (52%) of global wild fish stocks were already 'fully

exploited'.65 Overall, food production is a critical factor in pressure on key sustainability

measures such as the rate of biodiversity loss, the nitrogen cycle and climate change. In

55 FAO, 2014 56 Vermeulen, Campbell & Ingram, 2012 57 UNCTAD, 2013 58 Millennium Ecosystem Assessment, 2005; UNEP, Nelleman, MacDevette, et al, 2009

59 Gerber, Steinfeld, Henderson, et al, 2013 60 WWF, 2006 61 UN, 2011 62 Chapagain & Hoekstra, 2006 63 FAO, 1995 64 At the same time there has been increasing concentration on particular crops. By the end of the 20th

century, 12 plant species accounted for 75% of global food supply, and only 15 mammal and bird species accounted for 90% of animal agriculture (Khoury, Bjorkman, Dempewolf, et al. 2014; FAO & Bioversity International, 2010; FAO, 1998)

65 FAO, 2007

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these areas, researchers calculate that some planetary boundaries have already been

exceeded and others are approaching crucial limits.66

The problems of this excess and distorting production are exacerbated by food waste.

Never has so much food been produced in all human history, yet 220 million tonnes of

food is globally wasted each year, equivalent to the total food production of sub-Saharan

Africa.67 In low-income countries, food waste mainly occurs on or near the farm, while

consumers waste very little. In high income countries like the UK, by contrast,

consumers waste up to a third of what they buy. In 2015, UK household food waste was

7.3 million tonnes. According to the Waste Resources Action Programme (WRAP), UK

household food waste was 960,000 tonnes lower in 2015 compared to 2007, a 12%

reduction, but improvement levelled off in 2012-15.68

In the European Union, an estimated 89 million tonnes of post-farm-gate food waste was

generated in 2006, with a monetary value of about £950 (US$1,500) per tonne per

household.69 This is estimated to be growing at around 2.5% per year. Unchecked it will

rise to 126 million tonnes by 2020. Cutting waste is one way in which smart sustainable

diets can save money for consumers, but making a significant dent in total waste will

require re-engineering the food system.

Across the world, growing populations and changing dietary demands which follow from

rising incomes exacerbate competing demands on land use for housing, fuel, food,

water, wood, and amenities everywhere. The United Nations Environment Programme

(UNEP) estimates that, even if more land is made available for food growing, only 0.2

hectares (1,970 m2) of crop-land per person will be available by 2030.70 Such figures

have fuelled the intense debate about the effect of rising meat and dairy consumption

and about the inefficiency of feeding animals approximately half of all cereals grown

globally.71 Globally, 36% of the calories produced by the world’s crops are used for

animal feed, and only 12% of those feed calories ultimately contribute to the human diet

as meat and other animal products.72 Eliminating grain-fed livestock production could

free up so much productive land for crops that an additional four billion humans could be

fed.

In the UK, as was cited earlier, an estimated 85% of usable land is focussed on meat

and dairy production.73 We have made animals our competitors. Meat and dairy products

66 Rockström, Steffen, Noone, et al, 2009 (a); Rockström, Steffen, Noone, et al, 2009; (b) Steffen, Rockström, et al, 2015

67 Gustavsson, Cederberg, Sonnesson, et al, 2011 68 WRAP, 2015. 69 BIO Intelligence Service, 2010 70 UNEP, 2014 71 Steinfeld, Gerber, Wassenaar, et al, 2006; UNCTAD, 2013; Lymbery & Oakeshott, 2014

72 Cassidy, West, Gerber, et al, 2013 73 de Ruiter, Macdiarmid, Matthews, et al, 2015

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account for 24% of European consumers’ greenhouse gas emissions.74 If all livestock

management was as efficient as the best – according to the FAO – its environmental

impacts could be reduced significantly – cutting greenhouse gas emissions by about a

third, for example.75 But the FAO also conceded that if global consumption of meat and

dairy continue to rise, all those efficiency gains would be neutralised. In short, whether

policy makers like it or not, we have to talk about consumption. Burying our heads about

sustainable diets is folly.

Policy responses to demands for sustainable diets

So far, this paper has sketched the problems of unsustainable diets. It now turns to

explore some of the attempts to sketch sustainable diets and to consider the fissures

exposed when policy makers have tried to formalise what they are. At least seven

strands of policy response are discernible (summarised in Table 1).76

The first has been to question whether this issue can or should be tackled at all. Some

say it is too complex. Others are frankly in denial – it’s not an issue. Climate change

deniers see no problem in food’s greenhouse gas emissions. Others downplay the rise

of non-communicable diseases as consumers’ self-inflicted harm, or not the

responsibility of the state anyway. Still others argue that, even if there is a problem, the

cost of tackling this all is simply too great,77 that technology will offer solutions, or that

this is nobody’s responsibility but the consumer’s. This category is the Old Guard in

policy circles. We ignore it at our collective peril.

The second has been to see this as interesting but not the priority for food policy makers

whose main task should be preventing and resolving hunger. This position sees

sustainable diets as a deviation from the true path of late 20th century food policy: to feed

the poor. Adherents are mindful that it could even be a figleaf for rich society

protectionism. ‘Here we are spreading Western diets and choice to the world, and

suddenly this new élite view emerges which says: don’t eat as we have done’. The

motives here are ostensibly honourable; the priority of development, it is argued, is

surely to feed the hungry, and to do this with urgency, whether by raising incomes or

applying technical fixes. This is a policy insiders’ position. ‘We note your concern, but it’s

not our priority.’ They do not necessarily oppose the juxtaposition of health and

environment as a food policy. It’s just that there are other priorities; hunger eradication is

the most frequently cited counter.

The third position takes a different tack. This puts responsibility onto consumers, by

promising (if not fully providing) tools for change within the market model such as food

labelling. It argues that there is no need for regulation; soft policy measures such as

information and labelling will be sufficient to make consumers responsible. In 2007, for

74 Tukker, Bausch-Golbohm, Verhijden, et al, 2009; Tukker, Huppes, Guinée, et al, 2006 75 Gerber, Steinfeld, Henderson, et al, 2013 76 These are discussed at length in Mason & Lang, 2017 77 Dietz & Stern, 2008

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instance, the Carbon Trust, a UK government body set up to champion carbon reduction

experimented with snack manufacturers Walkers (part of Pepsico) and put a carbon

label onto some products; others followed. The scheme met fierce criticism and Tesco,

for one, withdrew in 2012.78 From a sustainable diet perspective, the carbon labelling

experience is interesting. On the one hand, it showed the limitations of labelling; no

significant consumer behaviour change followed; the British continued to munch crisps.

On the other hand, it persuaded companies to audit their own carbon footprints.79 Could

a labelling system cover everything needed with regard to sustainability? Only if it was

huge and complex,80 or backed by a powerful auditing scheme, probably national or

even international, something like the Nordic keyhole scheme, a national logo to signify

sustainability. But this still misses the point of sustainable diets. It is not so much a

matter of individual products as about the impact of the whole diet. Logos and labels are

not the way to go, or certainly not if they were to be the only or leading policy lever.

The fourth response is to apply ‘choice editing’ below the consumer radar. Choice

editing constrains the range of choices on the shelves or the manufacturer reformulates

the ingredients. It gives the consumer no option to reverse how the choice is structured

other than to purchase elsewhere.81 In practice this means change is led by food

companies and advisors who are concerned about aspects of sustainability. It is hidden

control, a strategy which can backfire, as it doesn’t shift or speak to citizen values, only

consumer behaviours. As one recent study of choice-editing in fish concluded, it’s

unlikely to be used when a company sees no added brand value from doing so.82 In

extreme models, reformulation implies technological fixes such as genetic modification

of the foodstuff to alter its health or environmental impacts (see Box Food Technology:

Saviour or Threat?). Overall, choice editing and product reformulation can be changed

without consent, without tackling or engaging consumer consciousness and choice. It

can be effective in changing what is consumed, but it does not challenge consumption

per se. People can continue to eat too much of a ‘sustainable’ product and their diets as

a whole can continue to be unsustainable.

The fifth response is to focus on one topic or ‘magic bullet’. This is a reductionist

approach but it has in part been encouraged by some arguments within the sustainable

diet discourse. Two hotspots have dominated attention: meat and dairy, and food waste.

Data making the case for rich societies to reduce their meat and dairy consumption is

strong,83 but meets fierce farmer and meat trade opposition. It is also unlikely to

convince those on fashionable meat-rich paleo diets, for instance. On the other hand,

78 Quinn, 2012 79 Carbon Trust, 2007; Carbon Trust, 2008; Carbon Trust & Coca-Cola, 2012 80 Practically, if there were to be labels for all the issues requiring consumer action, firstly all foods would

have to be packaged to carry the labels (and almost certainly meet opposition from brand owners, let alone meet the need to cut packaging waste, or big investment in information flows would be necessary, and shopping would become nirvana for app-fiends.

81 National Consumer Council & SDC, 2006 82 Gunn & Mont, 2014 83 Audsley, Brander, Chatterton, et al, 2012

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there are also strong ethical arguments for eliminating or reducing livestock production.

For some consumers ethical or religious arguments for animal welfare are more

significant than concerns over the environment or even health.

A fashionable way to make sustainable diets more palatable to policy makers – and

consumers – is to align them with the contemporary vogue for ‘smart innovation’: using

technology to help meet social goals in ways that enhance economic productivity. This

has some potential. Sustainable diets are smart in many ways. They constitute smart

thinking for health, smart thinking for the planet, and the chance to make smart -

appropriate and effective - use of both new technology and indigenous and cultural

knowledge. That means using new technologies where they contribute to the goals and

support the behaviour changes needed, so that smart sustainable diets would also be

affordable and convenient.84 But we should be cautious about allowing technology to

dominate thinking about dietary change. Sustainability requires social and cultural

engagement, not passivity on those fronts.

Public health nutrition suggests our aim should be to reduce the amount of meat; to take

it from the centre of the plate to its edge or, Chinese style, as flavouring and in slivers. In

many cultures levels of meat consumption are already sustainable, although high meat

eating cultures would have to cut back considerably. The global average of 100g per

person per day disguises a ten-fold variation between high-consuming and low-

consuming populations.85 A European Union level study estimated that halving the

consumption of meat, dairy products and eggs would achieve a 40% reduction in EU

nitrogen emissions, 25–40% reduction in greenhouse gas emissions and 23% per capita

less use of cropland for food production, and at the same time reduce health risks.86 The

environmental arguments don’t necessarily advocate vegetarian or vegan diets,

however: meat from land which otherwise cannot yield food – highlands, wetlands,

marsh – may actually be ecologically efficient. Grass-fed meat is generally better in

ecological, health and animal welfare terms, as long as consumers are prepared to pay

the higher prices involved.87 New approaches utilising novel technologies to produce

healthier and more sustainable meat substitutes might also help here in weaning

consumers off high-meat, high fat diets (see Box: Food Technology: Saviour or Threat?).

Cutting food waste is another ‘single issue’ with wider as well as policy maker appeal.88

Yet there are important tensions about why there is waste and how to tackle it. Some

waste campaigners see waste as systemic and as a case where rich consumers need to

84 Research into ‘sustainable consumption’ suggests that public concerns for 'sustainability' and 'health' are typically only, or more strongly expressed once more 'conventional' qualities of 'cost' and 'convenience' are in place (eg Radjou and Prabhu, 2015).

85 McMichael, Woodruff & Hales, 2006 86 Westhoek, Lesschen, Rood, et al, 2014 87 Of course, some grassland might be more valuable converted to cropping, or reverting to forest. 88 House of Lords EU Committee, 2014; Lipinski, Hanson, Lomax, et al, 2013; Stuart, 2009; European

Commission, DG Environment, et al, 2010

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eat differently.89 Others see it as an opportunity for engineering and managerial

interventions to create new standards of technical efficiency.90 Others see waste merely

as an opportunity to generate biogas and to recycle.91 The analysis varies, although the

term waste is common. In fact, it is all of these, and more. Policy appetites are whetting

by estimates that reducing consumer food waste globally could save $300 billion yearly

by 2030.92 In the UK, WRAP was established in 2000 to deliver reductions in food

waste.93 The combination of WRAP’s three ‘Courtauld’ partnership agreements with

industry and its high profile public-facing Love Food Hate Waste campaign reputedly

halved UK food waste between 2009 and 2014 to 4.4 million tonnes. The UK is still

wasting around 15% of total edible food and drink purchases, valued at £480 per year

per household.

The sixth policy response is an appeal not to dilute the health message with

environmental concerns and to remain focussed on health because that yields what’s

needed. This is a subtle position. It does not downplay the environment; rather it

suggests that broadly, if consumers in developed world were to follow current official

health advice, the food system’s environmental impact would fall; on this, there is sound

evidence.94 95 But taken alone this falls short of the environmental improvements

needed. Moreover it misses the significance of the changing cultural consumption norms

that have fuelled the nutrition transition and its diet-related burden of ill-health: eating

frequent snacks not meals, switching from water or infusions to sugary soft drinks, and

so on. Those cultural drivers of unsustainable consumption remain. In addition, although

this policy position has some resonance for high income societies it has less relevance

for low or middle income countries or even for low income consumers in wealthy

countries. Everything is reduced to health.

The seventh and final approach to sustainable diets has been to take them seriously, to

model them and to explore how their pursuit is a useful policy goal both for consumers

and to send different signals through the food supply chain.96 Sustainable diets clarify the

need for redesign of food systems, land use and production, but do not spurn the

prospects of technological progress (see Box).

Table 1 summarises the seven broad responses. The next section charts different

attempts to identify and promulgate sustainable dietary advice.

89 Stuart, 2009 90 Institute of Mechanical Engineers, 2013 91 Defra, 2013 92 Global Commission on Economy and Climate, 2015 93 WRAP, 2008 94 Carlsson-Kanyama, Ekström & Shanahan, 2003; Sustainable Development Commission, 2009; Green,

Milner, Dangour, et al, 2015 95 van Dooren, Marinussen, Blonk et al, 2014. 96 Carlsson-Kanyama, 1998; Carlsson-Kanyama, Ekström & Shanahan, 2003; Carlsson-Kanyama &

Gonzalez, 2009; Smith, Haberl, Popp, et al, 2013; Blake, 2014; US Dietary Guidelines Advisory Committee, 2015.

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Food Technology: Saviour or Threat?

Technological innovation in food and agriculture has historically been directed mainly in the

service of productionism, with fertilisers, pesticides, equipment and plant-breeding harnessed to

the end of increasing yields, and reducing crop losses and waste in harvest and distribution. The

benefits have been significant, although some unexpected or unintended consequences – such

as the impacts of pesticides on birds, and pollinators; or where irrigation triggered salinization -

have required dramatic changes in practice, and the industry’s record for targeting innovations

such as GM in line with public interests rather than commercial ones is poor. This history

suggests that ‘responsible innovation’97 - which both attempts to foresee potential problems and

misapplications, and seeks to engage the public to help understand how the new technology

might be perceived, developed and used in practice - is needed in this sector too.

There is a wide range of existing and emerging technological innovations which could be applied

in the service of sustainable diets. From better preservation of foods to reduce waste – most

imaginatively in the form of feedstock for 3-D printers98 - to advanced plant-breeding to reduce

waste or improved nutritional qualities of foodstuffs (such as soy oil low in trans-fats, or rice

fortified with beta-carotene), the potential is considerable. But a key factor is what frames the

problem for which the technology is the answer?

An illustration of how a narrow pursuit of technical fixes might not help the unsustainability of diets

is what is happening in the high impact issue of meat and dairy. Novel food processing

techniques are being used by companies such as Plenti and Beyond Meat to manufacture ‘high

moisture meat analogues’ from plant protein.99 Others focus on algae, fungal mycoprotein, or

insects to produce alternatives to meat and dairy produce: Muufri and Solarzyme, for example are

using synthetic biology techniques to produce vegan ‘cheese’ and algal ‘butter’.100 And even lab-

grown meat is no longer science fiction, although currently prohibitively expensive.101

All such designer foods offer significant scope for nutritional benefits, as well as enabling reduced

environmental impacts. At the same time they hand greater control over the food chain to

commercial interests and potentially introduce new and unknown risks to the food system.

Delivering benefits for sustainable diets through technology will require a sound ethical approach,

the right policy context, careful regulation, and public support – all of which could prove

challenging in many parts of the world. Above all, the development of substitute analogy foods

does little to alter the cultural demand. It’s a bit like seeing the solution to excess sugar

consumption by simply selling more artificially sweetened colas. The ‘sweet tooth’ remains in

place. Indeed, a product grown on the land (sugar) is replace by an industrially contained product.

This may offer rich pickings to industrial capital but should not be confused with the transition to

an ecologically sound consumption pattern.

97 Owen, Bessant, Heintz, 2013 98 McEachran, 2014 99 Zorpette, 2013 100 Garthwaite, 2014 101 McEachran, 2014

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Table 1 Seven broad policy responses to dietary (un)sustainability

Policy position How it manifests Example(s) Rationale Comment

There is no problem (or if

there is, it’s ‘not your

business’)

Marginalisation of the

agenda associated with

sustainable diets

Downplay food and climate

change; or stress the costs

of action

This is progress; broadly

neo-liberal trust in market

dynamics

Business-as-usual.

This is tantamount to ‘this is

none of your business’

This is a rich society problem A persistent focus on

under-consumption /

hunger

The focus is on hunger;

down-playing complex

health and environmental

implications

Retain western model of

eating as the ideal; choice,

if one has little, would be

progress

Ignores growing evidence of

nutrition transition and food-

related environmental

problems in global South

It is a consumer

responsibility

If consumers are to

make informed choices,

they need help

UK carbon labelling of

selected food products

Consumer choice depends

on education; self-interest

This assumes food markets

work with maximum flow of full

information

Choice-editing Product reformulation;

new supply chain

efficiency goals

Smaller product size to cut

carbon, packaging or

calories

Corporate responsibility Brand protection; prevention of

future litigation; ‘below the

radar’ actions

Focus on high risk issues /

hotspots

Particular issues are

championed as ‘the key’

Cut waste, or

reduce/contain meat &

dairy consumption

Data on impact is strong

whether measured by

science or finance

This is critical control point

thinking borrowed from

HACCP in food safety. It

misses the systemic nature of

the challenge

Stick to the health message Follow health advice

and the environmental

will fall

Reduce meat and dairy There is no need to

confuse signals to

consumers with

environmental or cultural

norms

It ignores the cultural

dimension of food. It also

assumes consumers are

driven by health

Sustainable diets National guidelines National eg Sweden

(2011), Germany (2013);

intergovernmental eg

Nordic Council (2012)

Food citizenship should

replace consumerism

Has cost implications; requires

changed policy frameworks

beyond diet, too

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Section 2 - Democratic experimentation for sustainable diets

Dietary guidelines are a standard policy device supported by health ministries across the

world and by the UN system. They give evidence-based population level advice, and

provide useful benchmarks against which to judge national consumption patterns. Most

countries provide dietary guidelines in terms of nutrient intake, but they are also

increasingly produced as food-based dietary guidelines (FBDGs). These were

recommended by the UN’s WHO and FAO in 1992,102 and a formal Scientific Opinion

was given by the European Food Safety Authority in 2002.103 Many countries have

plates, pyramids or other simplified guidance based on their scientific review bodies’

recommendations.104 FBDGs send signals to supply chains, as well as being the basis

for public advice. The call to create Sustainable Dietary Guidelines (SDGs) in effect is a

call to modernise FBDGs by integrating health and environmental evidence to reduce

confusion for consumers and supply chain alike. This is good governance.

In the 2000s, responding to the evidence about food’s impact on the environment, some

countries and other policy actors began to produce sustainable dietary advice. At last the

policy space began to be occupied. Table 2 provides examples of some official advice

from six government bodies: Sweden, Germany, Netherlands, UK, Brazil and Qatar.

The Swedish 2008 inter-agency advice was the first in-depth position given by any

country.105 106 Subsequently a ‘thinner’ more general guidance was given, replacing this

science-based first document (on which more, below). Germany’s is provided in its

Council for Sustainable Development (CSD) 2014 advice to shoppers.107 Not given in

great detail, it was nonetheless important for being clear in appealing to consumers to

shop differently and more responsibly. It is specific: buy organic, choose Marine

Stewardship Council approved fish, etc. It endorses logos. The CSD advice has also

noticeably hardened and deepened since its first formulation in 2003.108 The

Netherlands’ advice comes from its National Nutrition Council, the key science body. It is

simple and stark: cut waste and snacks, eat less but better and choose sustainable fish.

The UK explored the potential of principles for consumption. An initiative was proposed

by the Green Food Project - a stakeholder group created by the Department for

102 WHO & FAO, 1998 103 EFSA, 2002 104 WHO & FAO, 1998 105 National Food Administration & Environment Agency, 2008 106 Although the advice was officially withdrawn over a procedural issue - said by some to be triggered by

US meat industry pressure, but officially cited as infringing the EU’s free movement of foods by recommending to eat locally and seasonally where possible (Lang, 2012; Boyle 2012) - Sweden has tacitly retained its position.

107 German Council for Sustainable Development (RNE), 2014 108 German Council for Sustainable Development (RNE), 2003

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Environment, Food and Rural Affairs (Defra) under the Coalition Government reporting

in 2013. A follow up process agreed some useful principles for sustainable and healthy

diets. Defra was sadly reluctant to publish this document, and it was ultimately

published by the Food Security champion.109 There has been a sad lack of interest in

either disseminating or pursuing them by the current Government, although the concern

about childhood obesity and sugar could be a policy opportunity to make amends. The

Brazilian government’s advice is the most recent of those given in Table 2 and had a

strong focus on cultural appeal to consumers. Urging Brazilians, a people in the midst of

the nutrition transition,110 to eat fresh and simply, and to avoid unnecessarily processed

foods. Its warnings about advertised foods and fast foods are particularly noteworthy.

The Diet Guidelines of Qatar’s Supreme Council of Health are also of great interest.

Coming from a country with serious burdens on both health and environmental fronts,

this is a bold step to recognise that new direction is needed. Like the Brazilian advice,

the evidence base was developed within the state, and the advice given in both scientific

and cultural ‘everyday’ terms.

Table 3 gives the original table of policy advice from the UK’s Sustainable Development

Commission 2009 report, based on work done by Oxford University’s Department of

Public Health. This sparked the first bout of policy engagement within the British state,

and initiated the project to provide an integrated platform of advice for consumers,

through the Food Standards Agency. This work was stopped by the Coalition

Government in 2010. The Sustainable Development Commission was also abolished in

2011 under the ‘bonfire’ of quangos.111

109 Garnett & Strong, 2015 110 Monteiro, Levy, Claro, et al, 2011 111 ‘quango’ = quasi-autonomous non-governmental organisation

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Table 2 Six examples of government recommendations on sustainable dietary advice

Source/

country

Environmentally

effective food choices

(Sweden) 112

Sustainable

Shopping Basket

(Germany) 113

Guidelines for a

healthy diet: the

ecological perspective

(Netherlands) 114

UK Green Food Project,

8 principles 115

Brazilian Food Based

Dietary Guidelines 116

Qatar National

Dietary

Guidelines117

Date 2009 1990s2013 (4th

edition)

2011 2013 2014 2014

Lead

Body

National Food

Administration &

Environmental Protection

Agency

German Council for

Sustainable

Development

Health Council of the

Netherlands

UK Government working

party

Ministry of Health. Brazil Supreme Council of

Health, Health

Promotion and Non-

Communicable Diseases

Prime

concerns

Pro health and environment

to reduce climate change

and promote non-toxic

environment

To integrate advice

from many sources for

daily food shopping

Linking gains in public

health nutrition to lower

ecological impact

To combine health and

environmental advice

To promote public

health; and to realign

health and food culture

To integrate principles

of sustainability into

the Qatar Dietary

guidelines

112 National Food Administration & Environment Agency, 2008 113 German Council for Sustainable Development (RNE), 2014 114 Health Council of the Netherlands, 2011 115 Defra, 2012, Garnett & Strong, 2015 116 Ministry of Health (Brazil), 2014 117 Qatar Supreme Council of Health, 2014; Seed B, 2014

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Actual

Advice

Eat less meat. Replace it

with vegetarian meals;

choose local meats or

organic if available

Follow the food

pyramid

Move to a less animal-

based, more plant-based

diet – this is the key advice

Eat a varied balanced diet to

maintain a healthy body

weight

1. Prepare meals from

staple and fresh foods

1. Emphasize a plant-

based diet, including

vegetables, fruit, whole

grain cereal, legumes

Eat fish 2-3 times a week

from sustainable sources

Eat less meat and fish

but savour them

Lower energy intake, and

eat fewer snacks

Eat more plant based foods,

including at least five

portions of fruit and

vegetables per day.

2. Use oils, fats, sugar

and salt in moderation.

2. Reduce leftovers and

waste

Eat Fruit, vegetables,

berries: a good rule of

thumb is to choose

seasonal, local and

preferably organic products

Follow 5-a-day on

fruit and vegetables

Eat two portions of fish a

week but from sustainable

sources

Value your food. Ask about

where it comes from and

how it is produced. Don’t

waste it.

3. Limit consumption of

ready-to-consume food

and drink products

3. When available,

consume locally and

regionally produced

foods

Choose locally grown

potatoes and cereals rather

than rice

Eat seasonally and

regionally as your first

choice

Reduce food waste Moderate your meat

consumption, and enjoy

more peas, beans, nuts, and

other sources of protein.

4. Eat regular meals,

paying attention, and in

appropriate

environments

4. Choose fresh, home-

made foods over highly

processed foods and

fast foods

Choose pesticide-free or

organic when possible

Eat organic products Choose fish sourced from

sustainable stocks.

Seasonality and capture

methods are important here

too.

5. Eat in company

whenever possible.

5. Conserve water in

food preparation

Choose rapeseed oil rather

than palm oil fats

Choose fair trade

products

Include milk and dairy

products in your diet or seek

out plant based alternatives,

including those that are

fortified with additional

6. Buy food at places that

offer varieties of fresh

foods. Avoid those that

mainly sell products

6. Follow the

recommendations of

the Qatar Dietary

Guidelines

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vitamins and minerals ready for consumption.

Eat fish 2-3 times a week

from sustainable sources

Choose drinks in

recyclable packaging

Drink tap water 7. Develop, practice,

share and enjoy your

skills in food preparation

and cooking.

Eat Fruit, vegetables,

berries: a good rule of

thumb is to choose

seasonal, local and

preferably organic products

Use designated

certification schemes

(many are cited in the

document)

Eat fewer foods high in fat,

sugar and salt 8. Plan your time to give

meals and eating proper

time and space.

Choose locally grown

potatoes and cereals rather

than rice

9. When you eat out,

choose restaurants that

serve freshly made

dishes and meals. Avoid

fast food chains.

10. Be critical of the

commercial

advertisement of food

products.

Source: Mason & Lang, 2017

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Table 3: The UK Sustainable Development Commission’s ‘Setting the Table’ advice

Changes with significant

and immediate impact,

where health,

environmental, economic

and social impacts are

more likely to complement

each other

Changes likely to have a

significant positive

sustainability impact, but

where gains in one area

might have a more negative

impact in other areas

Changes which will make a

smaller contribution to

making our diets

sustainable, with largely

complementary effects

across key areas

Reducing consumption of

meat and dairy products

Increasing consumption of

fruit and vegetables,

particularly seasonal and field

grown

Reducing energy input by

shopping on foot or over the

internet, and cooking and

storing food in energy

conserving ways

Reducing consumption of

food and drink of low

nutritional value (i.e. fatty and

sugary foods)

Consuming only fish from

sustainable stocks

Drinking tap water instead of

bottled water

Reducing food waste Increasing consumption of

foods produced with respect

for wildlife and the

environment e.g. organic

food.

Source: SDC, 2009 118

The scientists who develop dietary guidelines for their countries (or sectors) do not

assume consumers immediately leap to attention to follow such nutrition advice!

Experience suggests otherwise. Guidelines do, however, offer notional ‘directions of

travel’ for the food system, and provide useful evidence-based yardsticks by which

progress can be measured. Food companies can be held to account for their

contribution. Audits can be conducted of how their products sit in relation to the ideal.

One can, for example, identify how advertising spend is mostly way off track. Companies

spend fortunes on marketing and advertising enticing consumers to drink sugary drinks

and consume confectionary or ultra-processed foods.119 In many countries, cultural

norms for food behaviour have been eroded, mixed up and made more flexible.

Guidelines offer better norms.

118 Sustainable Development Commission, 2009 119 Public figures on food advertising spend are hard to get but most suggest £0.5 bn - £0.7 bn per year.

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In the currently messy world of food, for sustainable dietary guidelines to work,

governments would need to help consumers join up the dots. The UK has commitments

under the Climate Change Act which could easily be linked to diet but they are not. For

the UK to shift its diet in a more sustainable direction, Government would also have to

be prepared to use a full range of methods and policy instruments. Guidelines would be

a waste of time, unless backed up. They really must get a grip on commercial marketing,

for example.120 The claim that companies are resistant is a bit thin; many actually would

accept or even want new frameworks, regulation and consumer guidance, as long as

they can operate on the beloved ‘level playing field’. Indeed, there are role models for

more sustainable companies collaborating with consumers and regulators to enable

systemic change.121

What should a government or other body charged with helping shift the UK towards

more sustainable diets do? Much depends on what is meant by ‘sustainable’. The

Sustainable Development Commission’s Setting the Table report (Table 3) went beyond

the famous Brundtland triple emphasis on economy, society and environment; instead, it

suggested a six heading approach for sustainability, arguing that this was more

appropriate for food matters. This grouped behaviour changes according to their

potential scale of impact.122 The SDC, abolished in 2011, used these findings to

convince the then Government that the UK’s food policy ought to include sustainable

diets as a key goal. To its credit, the then Government agreed, and the goal of achieving

sustainable diets was written into the Food 2030 strategy document published in

January 2010.123 Alas, the Coalition Government elected in May that year shelved Food

2030, but a year later, Defra created the Green Food Project,124 only, as was noted

above, to distance itself from those recommendations too. The Principles from the Green

Food Project (see Table 2) were belatedly published on the website of the Global Food

Security champion.125

Addressing and harnessing the cultural dimension

Few people set out to eat food carrying a copy of their national dietary guidelines. They

are unlikely to do so for sustainable dietary guidelines, either. The most innovative and

potentially powerful guidelines are surely those which link health and environment to

cultural norms. One of the strengths of the former SDC’s six headings approach to

sustainable food was that it designated two of the six to cover Quality and Socio-cultural

120 In a companion think-piece in the ‘Big Ideas’ series, Victoria Hurth and colleagues discuss the scope for a paradigm shift in marketing which shifts corporate marketing to an approach of ‘guide and co-create’ in which sustainability informs both the practice and goals of marketing (Hurth et al, 2015).

121 Hurth, Peck, Jackman & Wensing, 2014; Radjou & Prabhu, 2015 122 Sustainable Development Commission, 2009 123 Defra, 2010 124 Defra, 2012 125 Garnett & Strong, 2015

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aspects of food. Dietary choices reflect people’s tastes and culture often more than

health. The Brazilian scientists charged with revising their most recent national dietary

guidelines took this into account when framing their approach (see Table 2). They also

too account of diet’s environmental impact, although this was not the lead feature of the

public messages that the scientific committee produced. Instead, culture was the main

message, appealing to familiarity, tradition, family, local tastes. The Brazilian report was

shaped by an exhaustive national consultation which saw requests to advocate social

rather than individualised (and all-day) eating, the sharing of cooking skills, and giving

adequate time to eating.

One of the most heartening features of the contemporary international debate about

sustainable diets is how a process of experimentation is emerging. All over the world,

groups, scientific bodies, communities are offering their versions of the ideal. I welcome

this, while being aware that at some point, coherence and consistency of message and

data must surely be applied. Table 4 provides some examples of academic bodies

appealing to consumers to adopt sustainable diets in line with cultural understandings.

The Nordic Diet has been particularly effective in its societal positioning. It was created

in a collaboration of academics and chefs in Copenhagen.126 It has become a significant

cultural meme not just in Denmark but in the Nordic countries, influencing, for example

the 2014 Nordic Council of Ministers’ Nutrition Advice, which integrated not only health

and environmental concerns in sustainability, but the importance of physical activity

alongside diet.127 The Barsac Declaration given in Table 4 is interesting as it originated

with nine research groups uniting out of concern about the nitrogen cycle – not the usual

concern of environmentally conscious consumers.128 But these scientists are correct in

their concerns; the nitrogen cycle is one of the planetary boundaries being surpassed,

according to the much-cited work by Rockström, Steffen and colleagues co-ordinated by

the Stockholm Resilience Centre.129 The Barsac Declaration scientists recognised the

importance of eating out, calling on social gatherings always to offer clear categories of

choice: including ‘demitarian’ (half the ‘normal’ meat), vegetarian, and vegan. That

scientists working on nitrogen should do this is significant. Here were scientists saying

‘enough is enough’, seeing the case for proffering cultural advice to tackle the problem

they research.

We at the Centre for Food Policy also entered the fray with our eco-nutrition tips, which

were a deliberate attempt in the 2000s to formulate new cultural norms suitable to the

21st Century. First presented at an academic conference in Australia, they sparked

furious debate! Some argued that these were the kind of everyday formulation much

needed, whereas others feared they would undermine the integrity of public health

nutrition. If Westerners followed health guidelines, indeed, their greenhouse gas

emissions would fall; so would their land use. But why restrict the case for dietary

126 OPUS, 2009. 127 Nordic Council of Ministers, 2014 128 Barsac Declaration Group, 2009 129 Rockström, Steffen, et al, 2009; Steffen, Richardson, Rockström, et al, 2015

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change to health if there are other bodies of knowledge, other data and other arguments

for doing so?

Policy makers’ good intentions can easily fail to engage with the realities of consumers’

lives. A 2013 Australian study, for instance, reminds us how diets are determined more

by household budget and family nourishment practices (with items such as processed

foods chosen for their convenience and appeal to children) rather than nutrition and

sustainability.130 If the evidence suggests many reasons for dietary change, why restrict

our avenues for influence? Cultural messages can reach further than nutritionists or

environmentalists typically do. It’s why advertisers trade on emotions not just ‘facts’

about their wares.

Lacking the deep pockets of the food industry to shape food culture, civil society activists

have to be more resourceful. There is room, surely, for innovation in collaborative

consumption such as promoting food sharing in every way imaginable - from pop-up

restaurants and supper clubs, to providing dinners for elderly neighbours and sharing

left-over food - and of course also sharing gardens and kitchens?131 Why shouldn’t we

harness the enthusiasm of consumers for exploring and celebrating different ethnic and

national food cultures alongside our calls for more social eating? Why not recognise the

power of counter-cultures to shift values in diets as they do in arts and music? For young

people the frissons of freeganism, skipping and dumpster-diving are perhaps better

placed to challenge the McDonaldisation of diets than academic nutritionists – not that

their interests need to be antithetical. There is no reason why freegan diets cannot be

sustainable in health terms as well as in terms of waste reduction. There is so much

unexplored potential to promote sustainable diets that are not just environmentally sound

but socially and culturally inclusive – unlike all too many middle-class farmers markets

and local food projects.132 Such novel sustainable diet and food sharing projects are

perhaps best promoted at the city scale, as we shall see in the next section.

130 Dixon & Isaacs, 2013 131 McLaren & Agyeman, 2015 132 Alkon & Agyeman, 2011

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Table 4: Some cultural ‘principles’ from academics for sustainable eating compared

Source/

country

New Nordic Diet’s 10 principles 133 Barsac Declaration: Principles 134

Centre for Food Policy Tips for Eco-

Nutrition 135

Date 2010 2009 2007

Lead

Body

University of Copenhagen project 9 Research Groups of scientists Centre for Food Policy discussions 136

Prime

concerns

To combine health and environmental

advice

To reduce nitrogen emissions 137 To formulate new 21st Century cultural ‘rules’

(norms)

Actual

Advice

More fruit and vegetables every day

(berries, cabbages, root veg, legumes,

potatoes & herbs)

Encourage the availability of

reduced portion sizes of meat

and animal products, compared

to local norms

Eat a plant-based diet, eat flesh sparingly, if at

all

More whole grain, especially oats, rye

and barley

Eat ‘demitarian’ meals

containing half the amount of

meat or fish compared with the

normal local amount

Eat simply as a norm and eat feasts as

celebrations i.e. exceptionally

More food from the seas and lakes Eat a correspondingly larger

amount of other food products

Drink water not soft drinks; if you drink alcohol,

use it moderately

Higher-quality meat, but less of it In social situations (eg public

eating or conferences) always

Celebrate and eat biodiversity (from inside the

field to your plate)

133 OPUS, 2009 134 Barsac Declaration Group, 2009 135 Defra, 2013 136 Lang & Heasman, 2015; Rayner & Lang, 2012 137 Sutton, Howard, Erisman, et al, 2011

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offer ‘demitarian’, vegetarian

and vegan alternatives

More food from wild landscapes Ensure clear labelling of menu

options, especially in buffet

meals

Eat locally where possible to support local

suppliers and resilience

Organic produce whenever possible Eat seasonally if possible to keep embedded

energy in the food low

Avoid food additives Choose your diet carefully and beware of

hidden ingredients in food, especially salt and

sugars

More meals based on seasonal produce Eat equitably: (a) Eat no more than you

expend in energy; (b) build exercise into your

daily life

More home-cooked food Eat less but better: Go for quality, not quantity;

be prepared to pay the full (sometimes hidden)

costs of producing and transporting the food

Less waste Enjoy Food … in the short-term but think about

its impact long-term

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The actors

Collectively, the examples given in the text and tables above suggest the emergence of

what I term ‘democratic experimentalism’ about Sustainable Dietary Guidelines. They

indicate the beginnings of policy engagement with what could ultimately (but do not

currently) replace FBDGs as they have been developed by governments since 1992.

Who are the actors in this democratic process? At least five sources of input are

identifiable so far. These range from informal private attempts to articulate new ‘cultural

rules’ or principles, to semi-formal nutrition guidelines with the weight and approval of

official processes and formal such as Sweden’s in 2008. The actors include:

o Activists. Arguably this was the first type of public sustainable dietary advice. The

1971 Diet for a Small Planet is nearly half a century old, but good for all that.138 Newer

articulation of dietary norms or ‘rules’ might include those of the Vancouver 100 Mile Diet

from British Columbia,139 or the Fife Diet in Scotland, developed by a group of

households who from 2007 committed to eat 80% of their diet from food grown in Fife,

their county.140 Many are localist or bio-regionalists and locavores, putting a premium on

plant-based locally sourced food, such as the Food Assembly, a cross between farmers’

markets and buying groups, an idea spawned in France,141 or Hackney Growing

Communities.142 Others are more focussed on meat reduction and eating better.143 While

early local food projects often overlooked cultural and ethnic diversity, projects such as

City Growers and City Fresh Foods in Boston144 helping produce and deliver fresh,

locally sourced, nutritious, and culturally appropriate food for a range of community

institutions, are demonstrating the possibilities for inter-cultural approaches.

o Government advisory bodies. These are bodies formally advising Ministries and

Ministers but whose advice can be downplayed or politically gerrymandered, as

happened to the Swedish advice and most recently the US Guidelines. The earliest such

actor appears to have been Germany’s Council for Sustainable Development, which

since 2003 has produced advice on food and other consumer expenditure, giving

common principles and guidance (see Table 2). Sweden’s 2008 advice was produced

jointly by its National Food Administration and the Environmental Protection Agency, the

result of a few years of collaboration. The UK’s Sustainable Development Commission’s

(2009) Setting the Table (see Table 3) was a similar, if ultimately unsuccessful, effort.

138 Lappé, 1971 139 Smith & Mackinnon, 2007 140 Kinross, Small & Small, 2012 141 Food Assembly, 2015; O'Connell, 2014 142 Growing Communities, 2015 143 Eating Better, 2013 144 McLaren & Agyeman, 2015

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o Central government. Table 2 above illustrated several formal sets of advice,

including initiatives from both global North and South. Sweden’s advice remains the

most comprehensive, while Brazil’s 2014 nutrition guidelines demonstrate the best

understanding of food as a cultural commodity. Issued by Brazil’s Ministry of Health, and

the result of a long process with unprecedented public consultation, the advice was

distilled to just three ‘golden rules’: (a) Make fresh and minimally processed foods the

basis of your diet; (b) Use oils, fats, sugar and salt in moderation when preparing dishes

and meals; and (c) Limit consumption of ready-to-consume food and drink products.145

o Industry. Although some sectors of industry are deeply hostile to sustainable

diets, others see the value and also opportunities. Barilla, the world’s biggest pasta

company, has funded a Centre for Food and Nutrition at Bocconi University, Milan. In

2011 this produced the oft-cited and elegant double pyramid (see Figure 1)146 which puts

health and environment advice together in one graphic. Barilla took an active role in

build up to the Milan Urban Food Policy Pact launched in October 2015 at the World

Expo which took sustainable food as a main theme.147 This Pact was signed by 100

World Cities, and included a commitment to develop local sustainable dietary guidelines.

Figure 1. The Barilla Double Pyramid

Source: Barilla Centre for Food and Nutrition 2011

Other food companies and their advisors are edging into this territory. The IGD, a big UK

food industry membership research organisation, created a sustainable diet working

145 Ministry of Health (Brazil), 2014 146 Barilla Center for Food and Nutrition, 2010 147 Commune di Milano, 2015

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group which reported in 2013.148 This adopted a multi-criteria approach (not reducing

‘environment’ to climate change, for example), and argued that although consumers are

becoming engaged with sustainability for food, they still want industry to take the lead

and to inspire them. WRAP too has promoted multi-criteria analysis of embedded

energy, waste, water footprints, and material use, publishing a landmark analysis of in

30,000 food items in 2013.149 Nutrition was not included, unfortunately, but this approach

suggests some useful foundations for future standards.

o Academics. Some academics have begun to offer their own formulations of

SDGs, frustrated by the deficit in public advice. Academic writings mostly face ‘inwards’

within disciplinary boundaries but increasingly academics are speaking up and out.

Table 4 above gave three examples. Who a decade ago would have expected nitrogen

specialists such as those who united around the Barsac Declaration to call for mass

dietary change? Or for the Royal Society to back a ‘contract and converge’ position on

consumption?150 The Food Climate Research Network created in 2005 at the University

of Surrey, but now based at Oxford University, has become a significant academic force,

clear about the need to tackle climate change but open about the data and how.151

Initially focused on climate, FCRN now produces, charts and debates across the gamut

of sustainable diet issues and has thousands of members globally. It produces excellent

briefings as well as leading debates itself. A similar academic influence has been

achieved by the Copenhagen University academics who co-created the New Nordic

Diet, which is being used to benchmark academic work and inform school meals

provision in Scandinavia.152

148 IGD, 2013; IGD ShopperVista, Arnold & Pickard, 2014 149 WRAP Product Sustainability Forum, 2013 150 Royal Society, 2012 151 Garnett, 2005 152 OPUS, 2009

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Section 3 - Next steps in delivering sustainable diets

Beyond Brundtland: smart and sustainable

What is the common thread that binds these simple words ‘sustainable’ and ‘diets’

together to create this powerful notion of eating better? The classic Brundtland approach

to sustainability suggested equal and overlapping emphasis to only three factors or

criteria: environment, society and economy. None on its own would deliver security to

future generations, Dr Brundtland’s report argued. Hence the report’s much-cited

definition:153

“Sustainable development is development that meets the needs of the present

without compromising the ability of future generations to meet their own needs. It

contains within it two key concepts:

the concept of needs, in particular the essential needs of the world's

poor, to which overriding priority should be given; and

the idea of limitations imposed by the state of technology and social

organization on the environment's ability to meet present and future needs.”

Admirable though it is, the Brundtland triple focus (and its business adaptation into the

‘triple bottom line’) does not generate sufficiently sophisticated or realistic analysis for

the complexity of the modern food world. Food sustainability cannot easily be reduced to

just those three overarching characteristics or criteria. To capture the richness and

diversity of what food means, as well as the goals and drivers of food policy, I think that

sustainability needs to be understood more broadly. It ought to include explicitly, for

example, important features such as culture, quality, taste and health – which Gro-

Harlan Brundtland, herself a doctor, ironically omitted. Many people, myself included,

have argued that a multi-criteria framework is required to give policy makers and

implementers a more detailed and specific set of indicators to aim for. That is why the

UK’s Sustainable Development Commission (SDC) proposed a six point approach for

policy makers, supply chains and consumers (see Table 5). This set of multi-criteria

characteristics was offered to include natural and social scientific data, and to

operationalize sustainability for policy-makers. Pamela Mason and I used this to

structure our book looking at the evidence on and for sustainable diets.154

Who or what now might lead the change that evidence suggests?

153 Brundtland, 1987 154 Mason and Lang, 2017

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Table 5: Multi-criteria standards for food sustainability

Quality Social values Environment

• Taste

• Seasonality

• Appearance

• Freshness (where

appropriate)

• Authenticity

• Pleasure

• Identity

• Animal welfare

• Equality & justice

• Cultural appropriateness

• Skills (food citizenship)

• Climate change

• Energy use

• Water

• Land use

• Soil

• Biodiversity

• Waste reduction, reuse and

recycling

Economy Health Governance

• Food security & resilience

• Affordability (price)

• Efficiency

• True competition

• Fair return to primary

producers

• Jobs & working

conditions

• Fully internalised costs

• Circular economy (full

recycling)

• Safety

• Nutrition

• Equal access

• Availability

• Social determinants of

health eg affordability

• Information & education

• Protection from marketing

• Science & technology

evidence base

• Transparency

• Democratic accountability

• Ethical values (fairness)

• International aid &

development

• Trust

Source: modified from SDC 2011 155

The new leaders

We live in a multi-level world: global, regional, national, sub-national, local. Just as

sustainable diets imply the need to negotiate a multi-criteria food system, so progress on

sustainable diets requires action across the modern multi-level world. A country might

set guidelines on sustainable diet, but food and consumers cross borders. Sustainable

diets are an international challenge not just a UK one. That is why many actors in the

world of food had hoped to see global leadership emerge in the build-up to the 2014 UN

155 Sustainable Development Commission, 2011

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Second International Conference on Nutrition (ICN2). This did not happen, alas. ICN2’s

prime focus remained on hunger. Concern was expressed about obesity but sustainable

diets was pushed to the fringe despite pressure for it in prep-coms.156 Historically,

FBDGs and public health food advice have been national responsibilities. National

governments, however, are so far slow or reluctant to pronounce on sustainable diets,

despite growing evidence and rising pressure for them to do so. Sceptics suspect

industry influence. There is certainly heavy resistance from the meat and dairy industries

worldwide, most overtly in the recent battles over the Dietary Guidelines for Americans

2015-2020.157 This was closely monitored and fought by many US NGOs and

academics, with a flood of information about the ebbs and flows in the run-up to US

Secretaries of State making a decision on what the new Dietary Guidelines for

Americans would contain through a well-organised US dietary guidelines network. When

they finally emerged, the US Guidelines advised consumers about the temperature for

cooking their food but not the impact it might have on the temperature of the planet! The

evidence submitted by the US Government’s own scientific advisory committee was

ignored. The meat and other trade interests won; ecological public health lost.158

Alongside these entrenched partisans, an ideological reluctance was also exposed. Yet

Brazil’s open cultural advice shows that to give sustainable diet advice is possible. And

the default timidity on sustainable diets by official bodies is being increasingly

questioned by civil society activists and scientists, as we’ve seen. Although the neo-

liberal globalising project has accelerated the creep of power ‘upwards’ and towards

corporate interests and ‘market’ dynamics, away from the local,159 it would be erroneous

to conclude that national and sub-national levels of food governance are powerless.

Indeed, there is a wave of anti-state rejection flowing through Western politics – Brexit in

the UK, the election of President Trump in the USA, the rise of radical politics (of Left

and Right) across Europe.

Table 1 above summarised some positions on sustainable diets. I think we should see

these as opening gambits not final positions. Rome wasn’t built in a day. The sustainable

diet issue is on the long-term agenda. Although pressure on national governments and

their official advisory processes must and will continue, there is more room for action at

the local state level. Why don’t towns and cities use local expertise to generate

Sustainable Diet advice? This was called for in the Milan Urban Food Policy Pact. Local

bodies frequently have important food responsibilities through institutions and services

created in earlier periods of public and environmental health reform. These often include

responsibilities for air quality, water, sanitation and sewerage, food safety monitoring,

and more. Could they become change agents for sustainable diets?

Brazil’s third largest city, Belo Horizonte, suggests the potential here is huge. Known as

‘the city that ended hunger’, Belo Horizonte combined responsibilities for food access,

156 Brinsden & Lang, 2015 157 DHHS & USDA, 2015 158 See for instance: http://americanagnetwork.com/2016/01/reaction-to-usda-dietary-guidelines/ 159 Hirst & Thompson, 2001

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nutrition, and producer livelihoods in one municipal department in 1993. Food is treated

as a human right, not a commodity, with the aim that everyone should be able to access

and afford to eat healthy, nutritious food. Nutrition is understood as a vital component of

public and personal health; and the need of producers for fair marketing opportunities

and wages is also recognised. The city requires key supermarkets to sell subsidised

quality and healthy food ingredients, and provides ‘food with dignity’ by supporting

‘restaurantes populares’ – open to all-comers - which serve thousands of low cost,

regionally sourced, healthy meals every day.160 Belo Horizonte illustrates neatly the

potential to address both need and sustainability. It doesn’t just have the right guidelines,

but actively intervenes to ensure that good food is available even to those on a low

income. This policy commitment contrasts starkly with how the UK has drifted into

accepting ‘food banks’ and ‘food deserts’ where low income communities have no local

access to affordable fresh food. It is, as a recent paper suggested, both morally and

economically dubious to use the poor for waste disposal.161

In the UK and across the EU, there is a growing Sustainable Food Cities movement,

bringing together local food projects which tackle problems of both hunger and

sustainability. The follow-up to the Urban Food Policy Pact signed at the Milan Expo has

been subsumed by the C40 group of now 70 ‘world cities’ committed to CO2 reduction.162

City organisations across political divides can see the point of protecting their

populations from dietary damage. They are rekindling the pioneering strand of policy

action on food and sustainability spawned in Local Agenda 21 work following the 1992

Rio Declaration.163 Mayors everywhere see city administrations carrying the burden of

unsustainable diet – in waste disposal, healthcare costs, and logistic pressures (millions

of tonnes of food freight coming into clogged urban road systems) – and are learning

from each other that this need not and must not remain so. Copenhagen for example,

the city which spawned the Nordic Diet (see Table 4), is now enthusiastically nurturing a

policy mix of food service and tourism industries, citizens groups, and public health to

chart a new direction for sustainable food.164 The vast majority of its schools are now

feeding organic food, as a contribution.

Bringing the public along

These successful initiatives motivate education and learning about food, in ways that

can shift norms, but they all start from where the local public is on food. In Brazil, hunger

was the key issue; in Denmark it was about reinventing traditional food for health in the

modern age. Health and food safety typically are stronger motivators for the public than

environmental factors, but cost, convenience – and bluntly, fashion – are all powerful

influences on diet, too, arguably more so. Improving knowledge of the health and

160 World Future Council, 2009 161 Caraher and Furey, 2017 162 Milan Food Policy Pact, 2015 163 Girardet, 2008; Chartered Institute of Environmental Health, 1997; UNCED, 1992 164 Kobenhavns Madhus, 2015

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environmental impacts of food can change behaviour, but unless food is affordable and

dietary recommendations are both convenient and culturally appropriate, sustainable

diets will not gain purchase.

Public attitudes show bubbling concern. In the UK, the 2015 Food Standards Agency

Tracker Survey found the most frequently mentioned wider food issues of concern were

food prices (50%), food waste (48%) and the amount of sugar in food (47%).165 Of food

safety concerns, the biggest were: hygiene when eating out (39%), food poisoning

(32%), the use of additives in food products (29%) and date labels (29%). Others have

found sympathy for environmental concerns. For example a YouGov survey in 2013,

undertaken for the Eating Better coalition reported public concern about meat quality and

impact, and a large increase in awareness of the significant environmental impacts of

producing and eating meat from just one in seven people (14%) in 2007 to nearly one in

three (31%) in 2013.166

Such surveys are hopeful, but one should be wary of the gap between reported and

actual behaviour, which is also strongly influenced by food fashions such as meat-heavy

Atkins and ‘paleo’ diets. A Chatham House report international survey in 2014 found

that consumers everywhere were relatively unaware of meat and dairy’s impact on

climate change, but that the more aware of this they were, the more likely they were to

be prepared to change their behaviour.167 These findings echo a 2012-13 Which? study

in all four regions of the UK, which found that the more consumers were presented with

facts on food, health and environment, the more they became perplexed and then angry:

why didn’t we know this? Something needs to be done.168

Rather than see consumers as lacking interest, I think we could emulate the New Nordic

Diet approach and build a coalition with chefs, restaurateurs and food opinion formers to

champion sustainable diets. In this way cultural food fashions – such as street food,

small plates and even super-foods - might be harnessed to health and environmental

goals rather than disconnected. The cultural tussle over sustainable diets is about values

in everyday life.

165 Food Standards Agency, 2015 166 Eating Better, 2013 167 Bailey, Froggatt & Wellesley, 2014 168 Which?, 2013

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Section 4 - The way forward: a SDG2 framework

The UK still lacks any formal sustainable diet guidelines. Not even Scotland or Wales -

which are ahead of England on charting an overt food policy - have sustainable dietary

guidelines. England did take an important step however when Public Health England –

the official source of the Eatwell Plate – added advice to reduce red and processed meat

to the 2016 version of the Plate, now named the Eatwell Guide. This came after

publication of joint work on diet with the Carbon Trust.169

Hopes that the EU might provide an overall framework through the development of a

Sustainable Food Communiqué in 2012-14, building on policies such as the 2011

Roadmap to a Resource Efficient Europe, were dashed when incoming EU President

Juncker dropped it in 2014; this remains a scandal to be unpicked.170 Yet the evidence

for addressing consumption change in relation to health, environment and culture has

grown in the UK, as elsewhere, and scientific and civil society concern has got louder.

New alliances such as the Eating Better coalition are lobbying, organising, and building

recognition. Getting engagement within the UK state has not been helped by serious

cuts and restructuring. The Food Standards Agency, Defra and the Department of

Health have all been reorganised. The NHS has taken over the nutrition role of the much

weakened Food Standards Agency (FSA). After a decade of pressure (initiated by the

Royal Commission on Environmental Pollution, also abolished by the Coalition), first the

FSA and now NHS’ Public Health England now acknowledge the thorny issue of

environmental impacts of fish consumption, suggesting “[w]here possible, buy fish and

shellfish from sustainable sources”.171 This is not exactly deep environmentalism but is a

step in the right direction. It’s certainly an acknowledgment of the power of TV chefs

such as Mr Fearnley-Whittingstall’s Fish Fight campaign!172 And there’s the point: when

evidence is strong, yet the state is equally reluctant to do the right thing, it often needs

outside pressure to create room for manoeuvre.

At the global or international scale, one big door opened with the 2015 Paris Climate

Change Accord. Here was an agreement, albeit with few or no targets. Even better are

the 17 new UN Sustainable Development Goals which do have 169 targets, many of

which have a food element. Even the grim and ‘nerdy’ matter of the intercontinental

trade talks between the USA and Far East (the Trans Pacific Partnership, TPP) and

Europe (the Transatlantic Trade and Investment Partnership, TTIP) opened up

opportunities for stronger academic and civil society liaison and campaigns. The lesson

169 Public Health England, 2016; Public Health England and Carbon Trust, 2016 170 The Commission launched a consultation in 2012 on sustainable food, with a plan to publish a

Sustainable Food Communiqué as part of the so-called “Roadmap to a Resource-Efficient Europe” in late 2013. Although some limited measures on food waste were included in the Circular Economy package of 2015 (European Commission, 2015), the Communiqué and debate on sustainable diets remains in limbo.

171 NHS Choices, 2016 172 Fearnley-Whittingstall & Fish Fight, 2014

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is that the promotion of sustainable diets requires vigilant and confident attention from

scientists and civil society.

In the UK, although national policy development on public health and sustainability is

currently on the back foot, this is not the case in the devolved nations and cities. And

some such spaces are vibrant. Bristol, for example, is not only a Sustainable Food City,

but Britain’s first Flexitarian City, with the FlexiBristol project working with restaurants

and local businesses to extend and publicise non-meat choices in diet.173 Elsewhere in

the UK Sustainable Food Cities Network, cities are holding food festivals, promoting

pop-up markets, providing community access to land for growing, and using

procurement powers to ensure healthy sustainable meals in schools and public services

amongst many other practical projects.174 New city food partnerships are well placed to

evolve into local Food Policy Councils such as have emerged over recent decades in

North America, bringing together representatives and stakeholders from all across the

local food systems: producers, processers, distributors, consumers and recyclers.175

These gain influence and survive if parented by the local authority or at least are well

integrated into their workings. Their strength and attraction to elected politicians lie in

bringing a combination of actors into town halls. They are building food democracy.176 Of

particular note is that this new generation of food bodies inevitably has to work with older

institutions such as planning departments, health and environment bodies if they are to

gain leverage. This city scale offers a second critical opportunity for the promotion of

sustainable diets, alongside the international through the SDGs.

Reviewing this whole policy terrain, I keep returning to the core fact that modern diets’

multiple impacts are so severe that integrated and coherent sustainable dietary

guidelines are essential. Companies and growers might be gradually engaging with the

need to shave carbon or embedded water out of food supply chains, or building better

biodiversity protection, or injecting some kind of ‘ethical’ standards into work processes

or trading relationships, but unless these experimentation is drawn together and given

an overall coherence, it could add to rather than harmonise policy cacophony.177 A new

strategy is needed to help consumers engage with sustainable dietary change.

The UN Sustainable Development Goals (SDGs) are supported by the UK government.

A policy symmetry could emerge if the SDGs were complemented by sustainable dietary

guidelines at the national and local levels. This ‘SDGs squared’ / SDG2 strategy would

deliver a policy ‘win-win’. Sustainable dietary guidelines could win support from different

stakeholders for different reasons, even as they transform food systems. In most

countries national and local governments should support them as a key way to tackle

burgeoning healthcare costs. Food businesses should support them as a way to

173 Flexitarian Bristol, 2015 174 Sustainable Food Cities, 2016 175 Hatfield, 2012 176 See the discussion of food democracy in Lang & Heasman, 2015 and Lang, Barling & Caraher, 2009 177 Lang & Rayner, 2007

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overcome the pressing environmental and resource scarcity problems that threaten

existing global business models. Consumers should back them for the convenience they

can bring to eating a tasty, healthy and sustainable diet in the face of misleading

advertising and ill-informed food fads. This makes them potentially transformative, as

once in place, sustainable diet guidelines would be a signpost for a values shift across

the food system.178

Of course, there is resistance to the SDG2 strategy. Some might oppose it as a

constraint on choice; this is an ideological position to be confronted and outmanoeuvred.

The argument that accelerating consumption of meat and dairy globally reflects an

extension of choice is an outmoded position, not one that considers the wellbeing or

suffering generated by that choice. Failure properly to inform consumers for fear of

‘restricting choice’ has constrained food policy for too long. The sugar and childhood

obesity campaign is already denting that logic.

Anyone familiar with the food industry also knows that many product managers are

already engaged with sustainable diets by applying ‘choice-editing’.179 145 Measures such

product reformulation, size reduction and ingredient substitution are being systematically

applied to retain sales and brand loyalty. But this approach can only be taken so far.

There is a limit to how much a ‘below the radar’ policy approach can transform a

wasteful food system; extensive change is needed to consumer behaviour and

aspirations, yet current policy initiatives are still tip-toeing around consumer choice. Yet

critically, well-informed consumers – understanding the cognitive biases and temptations

of real life, seem to welcome choice editing as a modern expression of convenience.

Over-reliance on choice-editing also carries the danger of creating a parallel system of

governance. With the state reluctant to be nanny – as though parental guidance is a sin

– nanny corporations are stepping into the gap.

Choice is not the great god it is sometimes said to be. In a world with zero choice, it of

course represents progress. But in a food world of 30,000-40,000 items in the

hypermarket, there can be too much choice. Of course, the right to choose a culturally

appropriate diet is a critical part of people’s identity. But, especially with growing quality

of meat and dairy substitutes, a wide range of cultural identities can be accommodated

within sustainable diets - even including strict forms like halal and kosher. Still, even if

every foodstuff on the supermarket shelves had a healthy and environmentally friendly

option, choice-editing alone won’t prevent an obesity epidemic, for example, nor ensure

that food production as a whole falls within climate constraints.

There is much policy support at present in the developed economies for the ‘circular

(food) economy’.180 Applied to food, this sees food as a material or biological entity, and

loses the social and cultural aspects of sustainability. The ideal of a low carbon, low eco-

impact, zero waste, pro-health diet – adequate at an aggregate level to tackle problems

178 In other words they could be symbiotic or subversive in Wright (2010) or McLaren’s (2011) terms. 179 Marks & Spencer, 2009 180 Ellen Macarthur Foundation & McKinsey, 2013; European Commission, 2015; WRAP, 2014

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of climate change and embedded water for example - almost certainly also requires

significant behaviour change on a mass scale and population level.181

Policy makers should now recognise that less choice is appropriate in rich societies,

while promoting more choice in low-income countries with restricted diets. A dietary

contract-and-converge policy approach was advocated by the Royal Society.182 This

does not mean an end to choice, with everyone eating the same. Sustainable dietary

guidelines don’t imply globally uniform diets, but culturally appropriate expressions of the

same ecological and nutritional baselines. Indeed, they would be a vehicle to promote

seasonality and biodiverse and culturally diverse diets, appropriate to conditions. Nor –

fortunately - do such guidelines need to be agreed through tortuous intergovernmental

negotiations: in this area (ironically, unlike climate) the current ‘bottom-up’ model of

policy shift is both more appropriate and actually emerging. It allows for flexible and

cultural and ethnic diversity, and preserves choice across generations.

I see great potential for sustainable dietary guidelines. They could help narrow the

evidence-policy-behaviour gap. They could address the real problem of choice that

consumers meet in the market place: what to eat as a rational consumer-citizen.183 They

bring diverse bodies of science – natural and social – together to help policy makers,

producers and consumers. They could help reset the moral and political drivers for future

food systems, and provide new, exciting, practical work for institutions, governance and

commerce. They could provide a new basis for public advice, making the clarification of

sustainable diets a frontline policy issue. This is what the UN ICN2 conference in Rome

in November 2014 ought to have addressed.184 Even without that, I have sought to show

that a process of democratic experimentation is underway with citizen activists, city

authorities and purpose-based businesses, as indicated in this paper.185

Let me raise and responds to another obstacle thrown at sustainable diet. Ok, say

critics, it could become the norm. But it would be such a boring, monocultural diet. Not

true. As the Menus of Change programme by the Culinary Institute of America (the other

CIA!), a catering industry education body, has shown, sustainable diets need not be

‘culinary hair-shirts’. The positive attributes of sustainable diets - pleasure, health, taste

– are its prime rationale; this does not need to be over-moralised. A positive consumer

message exists.186 Consumer attitudes to behaviour change are complex but pleasure

has to be at its heart.187 Sustainable diets do, however, question the continued influence

over culinary taste by commercial marketing and advertising budgets which too often

181 Blake L, 2014 182 Royal Society, 2012 183 See Gabriel & Lang, 2015 chapter 10. 184 Brinsden & Lang, 2015 185 Methodologies, models and indicators are emerging from academia, agencies and industry but must be

brought into a coherent framework, and moved from informal to formal policy processes. 186 Culinary Institute of America & Harvard School of Public Health, 2013 187 Defra, 2007; Gabriel & Lang, 2015

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promote unsustainable food products and unsustainable dietary patterns.188 We need to

create nuanced and realisable messages which are both pro-consumer and help their

transition to a 21st century food citizenship. Like parenting (and nannies), the messages

on sustainable diet are inevitably a mix of tough and kind. This transition is a shared

process.

188 Victoria Hurth and her colleagues (Hurth et al 2015) argue in a companion Big Ideas paper, for the transformation of marketing with a new paradigm which would reflect real human needs.

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Conclusions

The simple notion of sustainable diet poses a rich, live and tricky challenge to affluent

(yet divided) societies like the UK, from which we cannot run away. We need all our

citizens to eat a better diet for health, environment and cultural reasons. If this is our

goal – and surely it is a sign of a decent society - there are profound political economic

implications currently not being faced. I see no quick fix solutions, but no government will

benefit by burying its head in the sand. This demands multi-level actions by multiple

actors, a combination which is currently hindered by inexcusably silent (or is it weak?)

leadership by Government. The rising debate in Britain about the impact of Brexit on UK

food is an opportunity to go back to basics, and to ask: what sort of food system, what

kind of mix of consumption and production do we want?

I have argued here that the debate emerging about sustainable diets is central to this

process. Within that, I, like others, see the case for new sustainable diet guidelines. I

have proposed here that we should adopt the multiple criteria, 6 heading approach that

was set out only a few years ago by the Sustainable Development Commission. Other

frameworks are possible, of course, but they should only be taken seriously if they link

the range of issues which dietary choice and food consumption can so seriously affect. I

have argued that sustainable dietary guidelines should be informed by modern science,

and developed with social science input and substantial public engagement to ensure

the integration of cultural, identity and social values.

If national government will not engage, then civil society, city authorities and purpose-led

businesses must step into the vacuum, while we maintain pressure on government to

come to its senses. Other levels of and actors in food governance can effectively

promote and implement such guidelines through policies and practices including choice

editing, sustainable marketing and positive, value-shifting messages about health,

pleasure, convenience, social interaction, taste, and ethical policies. We can see this as

a new SDG2 strategy and approach, one which links the pursuit of sustainable diet as

helping deliver the Sustainable Development Goals. This is a radical but reasonable

strategy, both ambitious and pragmatic, allowing for specificity while also being

sufficiently broad. One thing is certain: if policy attention stays mainly on the production

end of food systems, unsustainable consumption will continue to be the elephant in the

food policy room. There is enough evidence for society to act.

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